diff --git a/Packages/Interval_arithmetic/changes.txt b/Packages/Interval_arithmetic/changes.txt
index e734ffee876..a8593e7fbc8 100644
--- a/Packages/Interval_arithmetic/changes.txt
+++ b/Packages/Interval_arithmetic/changes.txt
@@ -1,6 +1,9 @@
 Changes done to the Interval Arithmetic package.
 
-Version 4.13 on ?? May 1999
+Version 4.14 on 25 May 1999
+- src/workaround_4_irix.s.IRIX renamed to workaround_4_irix6.s.
+
+Version 4.13 on 11 May 1999
 - New test file, that should emit a warning with a smart compiler.
 - Moved some documentation files.
 - Removed calls to convert_to from the test-suite (MipsPro...).
diff --git a/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile b/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile
index 65e0c952dde..0ac79c3f6e7 100644
--- a/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile
+++ b/Packages/Interval_arithmetic/test/Interval_arithmetic/Makefile
@@ -51,13 +51,13 @@ LDFLAGS = \
 
 all: test bench
 
-test:  tst0 tst1 tst2 tst5 tst6 tstlink
+test:  tst0 tst1 tst2 tst5 tstlink # tst6
 	./tst0
 	./tst1
 	./tst2
 	./tst5
-	./tst6
 	./tstlink
+	# ./tst6
 
 bench_isolate: ./a.out
 	./a.out
diff --git a/Packages/Interval_arithmetic/version b/Packages/Interval_arithmetic/version
index d1006987fa9..400630f6594 100644
--- a/Packages/Interval_arithmetic/version
+++ b/Packages/Interval_arithmetic/version
@@ -1 +1 @@
-4.13 (11 May 1999)
+4.14 (25 May 1999)